# Relationship history for MSHA mine 3003433

Current hierarchy: **Samuel  Benitez → Devonian Stone of New York Inc → Amendola Quarry**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Robert E  Bellospirito → Amendola Quarry; 1999-03-01 to 2017-02-08; source msha-controller-operator-history
- **operator_operates_mine:** Devonian Stone of New York Inc → Amendola Quarry; 2002-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Bellospirito → Devonian Stone of New York Inc; 2002-09-18 to 2017-02-08; source msha-controller-operator-history
- **controller_controls_mine:** Tejpal  Sandhu → Amendola Quarry; 2017-02-09 to 2017-10-05; source msha-controller-operator-history
- **controller_controls_operator:** Tejpal  Sandhu → Devonian Stone of New York Inc; 2017-02-09 to 2017-10-05; source msha-controller-operator-history
- **controller_controls_mine:** Caitriona  Sandhu → Amendola Quarry; 2017-10-06 to 2019-03-12; source msha-controller-operator-history
- **controller_controls_operator:** Caitriona  Sandhu → Devonian Stone of New York Inc; 2017-10-06 to 2019-03-12; source msha-controller-operator-history
- **controller_controls_mine:** Samuel  Benitez → Amendola Quarry; 2019-03-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Samuel  Benitez → Devonian Stone of New York Inc; 2019-03-13 to current/open; source msha-controller-operator-history